Left rear shield for attachment to an automobile



FIG. 1 is a front elevational view of a left rear shield for attachment to an automobile, showing our new design;

FIG. 2 is a perspective view of the top, front and right end thereof; and

FIG. 3 is a perspective view of the top, rear and left end thereof. 

The ornamental design for a left rear shield for attachment to an automobile, as shown. 